package com.atguigu.lease.web.admin.service.impl;

import com.atguigu.lease.common.exception.LeaseException;
import com.atguigu.lease.common.result.ResultCodeEnum;
import com.atguigu.lease.model.entity.*;
import com.atguigu.lease.model.enums.ItemType;
import com.atguigu.lease.web.admin.mapper.*;
import com.atguigu.lease.web.admin.service.*;
import com.atguigu.lease.web.admin.vo.apartment.ApartmentDetailVo;
import com.atguigu.lease.web.admin.vo.apartment.ApartmentItemVo;
import com.atguigu.lease.web.admin.vo.apartment.ApartmentQueryVo;
import com.atguigu.lease.web.admin.vo.apartment.ApartmentSubmitVo;
import com.atguigu.lease.web.admin.vo.fee.FeeValueVo;
import com.atguigu.lease.web.admin.vo.graph.GraphVo;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;

import javax.management.RuntimeMBeanException;
import java.util.ArrayList;
import java.util.List;

/**
 * @author liubo
 * @description 针对表【apartment_info(公寓信息表)】的数据库操作Service实现
 * @createDate 2023-07-24 15:48:00
 */
@Service
public class ApartmentInfoServiceImpl extends ServiceImpl<ApartmentInfoMapper, ApartmentInfo>
        implements ApartmentInfoService {


    @Autowired
    private GraphInfoService graphInfoService;
    @Autowired
    private ApartmentFacilityService apartmentFacilityService;
    @Autowired
    private ApartmentLabelService apartmentLabelService;
    @Autowired
    private ApartmentFeeValueService apartmentFeeValueService;

    @Autowired
    private RoomInfoService roomInfoService;

    @Autowired
    private ApartmentInfoMapper apartmentInfoMapper;


    @Autowired
    private FacilityInfoMapper facilityInfoMapper;

    @Autowired
    private LabelInfoMapper labelInfoMapper;

    @Autowired
    private FeeValueMapper feeValueMapper;

    @Autowired
    private GraphInfoMapper graphInfoMapper;


    @Override
    public void customSaveOrUpdate(ApartmentSubmitVo apartmentSubmitVo) {
        //1. 判断是否为更新
        boolean is = apartmentSubmitVo.getId() != null;
        //2. 进行公寓信息保存或者更新
        saveOrUpdate(apartmentSubmitVo);
        //3. 如果是更新,提前删除中间表的数据
        if (is){
            //删除图片
            LambdaQueryWrapper<GraphInfo> lambdaQueryWrapper = new LambdaQueryWrapper<>();
            lambdaQueryWrapper.eq(GraphInfo::getItemId,apartmentSubmitVo.getId());
            lambdaQueryWrapper.eq(GraphInfo::getItemType, ItemType.APARTMENT);
            graphInfoService.remove(lambdaQueryWrapper);
            //删除配套
            LambdaQueryWrapper<ApartmentFacility> apartmentFacilityLambdaQueryWrapper = new LambdaQueryWrapper<>();
            apartmentFacilityLambdaQueryWrapper.eq(ApartmentFacility::getApartmentId,apartmentSubmitVo.getId());
            apartmentFacilityService.remove(apartmentFacilityLambdaQueryWrapper);
            //删除标签
            LambdaQueryWrapper<ApartmentLabel> labelLambdaQueryWrapper = new LambdaQueryWrapper<>();
            labelLambdaQueryWrapper.eq(ApartmentLabel::getApartmentId,apartmentSubmitVo.getId());
            apartmentLabelService.remove(labelLambdaQueryWrapper);
            //删除杂费值
            LambdaQueryWrapper<ApartmentFeeValue> apartmentFeeValueLambdaQueryWrapper = new LambdaQueryWrapper<>();
            apartmentFeeValueLambdaQueryWrapper.eq(ApartmentFeeValue::getApartmentId,apartmentSubmitVo.getId());
            apartmentFeeValueService.remove(apartmentFeeValueLambdaQueryWrapper);
        }
        //4. 一定进行数据插入保存
        //保存图片
        List<GraphVo> graphVoList = apartmentSubmitVo.getGraphVoList();
        if (!CollectionUtils.isEmpty(graphVoList)){
            List<GraphInfo> graphInfoList = new ArrayList<>(graphVoList.size());
            for (GraphVo graphVo : graphVoList) {
                GraphInfo graphInfo = new GraphInfo();
                graphInfo.setName(graphVo.getName());
                graphInfo.setUrl(graphVo.getUrl());
                graphInfo.setItemType(ItemType.APARTMENT);
                graphInfo.setItemId(apartmentSubmitVo.getId());
                graphInfoList.add(graphInfo);
            }
            graphInfoService.saveBatch(graphInfoList);
        }

        //公寓配套
        List<Long> facilityInfoIds = apartmentSubmitVo.getFacilityInfoIds();
        if (!CollectionUtils.isEmpty(facilityInfoIds)){
            List<ApartmentFacility> apartmentFacilityList = new ArrayList<>(facilityInfoIds.size());
            for (Long facilityInfoId : facilityInfoIds) {
                ApartmentFacility facility = ApartmentFacility.builder().
                        facilityId(facilityInfoId).apartmentId(apartmentSubmitVo.getId()).build();
                apartmentFacilityList.add(facility);
            }
            apartmentFacilityService.saveBatch(apartmentFacilityList);
        }

        //公寓标签
        List<Long> labelIds = apartmentSubmitVo.getLabelIds();
        if (!CollectionUtils.isEmpty(labelIds)){
            List<ApartmentLabel> apartmentLabelList = new ArrayList<>(labelIds.size());
            for (Long labelId : labelIds) {
                ApartmentLabel apartmentLabel = ApartmentLabel.builder().labelId(labelId).apartmentId(apartmentSubmitVo.getId()).build();
                apartmentLabelList.add(apartmentLabel);
            }
            apartmentLabelService.saveBatch(apartmentLabelList);
        }

        //公寓杂费
        List<Long> feeValueIds = apartmentSubmitVo.getFeeValueIds();
        if (!CollectionUtils.isEmpty(feeValueIds)){
            List<ApartmentFeeValue> apartmentFeeValueList = new ArrayList<>(feeValueIds.size());
            for (Long feeValueId : feeValueIds) {
                ApartmentFeeValue apartmentFeeValue  = ApartmentFeeValue.builder().feeValueId(feeValueId)
                        .apartmentId(apartmentSubmitVo.getId()).build();
                apartmentFeeValueList.add(apartmentFeeValue);
            }
            apartmentFeeValueService.saveBatch(apartmentFeeValueList);
        }
    }

    @Override
    public void queryPage(Page<ApartmentItemVo> page, ApartmentQueryVo queryVo) {
       apartmentInfoMapper.queryPage(page,queryVo);
    }

    @Override
    public ApartmentDetailVo queryDetail(Long id) {

        //1. id查询公寓信息详情
        ApartmentInfo apartmentInfo = getById(id);
        if (apartmentInfo == null) {return null;}
        //2. 公寓id查询配套详情 (推荐直接调用配套的mapper,少了一层service的方法)
            //正常: 调用对方的service (事务的传播行为)
            //不正常: 1. service 只有一行 和 对应一个数据库动作 我们的service直接mapper依然能mapper加到当前事务
            //       2. 省一层代码结果  service xx -> mapper xx
           //        3. 有意避免循环注入的问题
        List<FacilityInfo> facilityInfoList =  facilityInfoMapper.queryByApartmentId(id);
        //3. 公寓id查询图片集合
        List<GraphVo> graphVoList = graphInfoMapper.queryByItemId(id,ItemType.APARTMENT);
        //4. 根据公寓id查询标签集合
        List<LabelInfo> labelInfoList = labelInfoMapper.queryByApartmentId(id);
        //5. 公寓id查询杂费和杂费名集合
        List<FeeValueVo> feeValueVoList = feeValueMapper.queryByApartmentId(id);

        //6. 合并到ApartmentDetailVo对象返回即可
        ApartmentDetailVo apartmentDetailVo = new ApartmentDetailVo();
        apartmentDetailVo.setFeeValueVoList(feeValueVoList);
        apartmentDetailVo.setLabelInfoList(labelInfoList);
        apartmentDetailVo.setFacilityInfoList(facilityInfoList);
        apartmentDetailVo.setGraphVoList(graphVoList);
        //将原对象的属性赋值给目标对象的相同属性! 属性值迁移
        BeanUtils.copyProperties(apartmentInfo,apartmentDetailVo);

        return apartmentDetailVo;
    }

    @Override
    public void customRemoveById(Long id) {
        //查询是否公寓对应的房间
        LambdaQueryWrapper<RoomInfo> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        lambdaQueryWrapper.eq(RoomInfo::getApartmentId,id);
        long count = roomInfoService.count(lambdaQueryWrapper);
        if (count > 0){
            //证明有房间  有重要子集 给与前端207
            //抛出异常,不会正常返回结果(业务正确), 使用全局异常处理器进行捕捉,返回对应的错误码给前端  DELETE_ERROR(207, "请先删除子集"),
            //自定义异常
            throw  new LeaseException(ResultCodeEnum.DELETE_ERROR);
        }
        //1.删除公寓
        removeById(id);
        //2.删除公寓相关的配套
        LambdaQueryWrapper<ApartmentFacility> apartmentFacilityLambdaQueryWrapper = new LambdaQueryWrapper<>();
        apartmentFacilityLambdaQueryWrapper.eq(ApartmentFacility::getApartmentId,id);
        apartmentFacilityService.remove(apartmentFacilityLambdaQueryWrapper);
        //3.删除公寓相关的标签
        LambdaQueryWrapper<ApartmentLabel> apartmentLabelLambdaQueryWrapper = new LambdaQueryWrapper<>();
        apartmentLabelLambdaQueryWrapper.eq(ApartmentLabel::getApartmentId,id);
        apartmentLabelService.remove(apartmentLabelLambdaQueryWrapper);
        //4.删除公寓相关的图片
        LambdaQueryWrapper<GraphInfo> graphInfoLambdaQueryWrapper = new LambdaQueryWrapper<>();
        graphInfoLambdaQueryWrapper.eq(GraphInfo::getItemType,ItemType.APARTMENT);
        graphInfoLambdaQueryWrapper.eq(GraphInfo::getItemId,id);
        graphInfoService.remove(graphInfoLambdaQueryWrapper);
        //5.删除公寓相关的杂费
        LambdaQueryWrapper<ApartmentFeeValue> apartmentFeeValueLambdaQueryWrapper = new LambdaQueryWrapper<>();
        apartmentFeeValueLambdaQueryWrapper.eq(ApartmentFeeValue::getApartmentId,id);
        apartmentFeeValueService.remove(apartmentFeeValueLambdaQueryWrapper);

        //todo: 后续考虑房间的问题

    }
}




